Home / 357,160-540,348

Finding the Third Proportional to 357,160 and 540,348

Calculator

Solution

The third proportional to 357,160 and 540,348 is: 817,493.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,160 : 540,348 = 540,348 : x
  2. Step 2: Convert to fraction form
    357,160/540,348 = 540,348/x
  3. Step 3: Cross multiply
    357,160x = 540,348 × 540,348
  4. Step 4: Simplify right side
    357,160x = 291,975,961,104
  5. Step 5: Solve for x
    x = 291,975,961,104/357,160
  6. Step 6: Final answer
    x = 817,493.45

Related Problems

Find third proportional to 178,580 and 270,174
Half scale
Find third proportional to 714,320 and 1,080,696
Double scale
Find third proportional to 357,162 and 540,351
Similar ratio
Find third proportional to 535,740 and 810,522
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.